import java.util.ArrayList;
import java.util.LinkedList;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 苏西西
 * Date: 2023-06-21
 * Time: 9:13
 */
public class Test {
    public static void main(String[] args) {
        LinkedList<Integer> list = new LinkedList<>();
        list.add(11);
        list.add(12);
        list.add(13);

        ArrayList<Integer> arrayList1 = new ArrayList<>(list);
        arrayList1.add(1);
        System.out.println(arrayList1);
    }
}
